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CS510 OXYGUARD DISSOLVED OXYGEN PROBE
INSTRUCTION MANUAL
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COPYRIGHT (c) 2000 CAMPBELL SCIENTIFIC, INC.
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The CS510-L Oxyguard Dissolved Oxygen Probe is manufactured by Point Four Systems Incorporated. Point Four’s conditions of sale and return policy apply to these items. Products may not be returned without prior authorization. To obtain an RMA number contact Point Four Systems, Inc., phone (604) 936-9936. NOTE: if the product has been exposed to hazardous media, it must be fully decontaminated and neutralized prior to return to Point Four Systems.
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CS510 OxyGuard Dissolved Oxygen Probe An accurate and reliable sensor is a critical element in any measurement system. The OxyGuard Stationary Probe meets these criteria for the measurement of dissolved oxygen. 1. General Information The OxyGuard Stationary Probe is a galvanic probe which produces a millivolt signal proportional to the amount of oxygen present in the measured medium. Oxygen diffuses through the membrane onto the cathode, reacts chemically, and combines with the anode. An electr
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CS510 OxyGuard Dissolved Oxygen Probe 2. Specifications Principle of Measurement: Membrane covered polarographic oxygen probe— self polarizing galvanic cell Output Signal: 5 mV per mg/l, 2 mV per %/vol nominal Accuracy: Better than +/- 2 % of reading +/- 1 digit when calibration temperature equals measuring temperature +/- 5 C Repeatability: Better than +/- 0.2 mg/l; Better than +/- 0.5 %/vol when barometric pressure unchanged Output Impedance: 1 kOhm nominal Response Time: mg/l: 60 s for 9
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CS510 OxyGuard Dissolved Oxygen Probe 3. Service Kit Spare membrane cap with fitted membrane. 50 ml electrolyte. Spare anode and O-ring. FIGURE 3-1. Exploded View of CS510-L 4. Optional Probe Accessories Agitator for stagnant conditions. Probe Mounting assembly for waste water installations. Flow-through and by-pass fittings. EasyCal calibrator for fast and accurate calibration. 5. Optional Agitator The PT4 Agitator is a reliable and robust agitator for use in conjunction with probes subject
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CS510 OxyGuard Dissolved Oxygen Probe FIGURE 5-1. Preventing Bio-fouling of the CS510-L The PT4 Agitator overcomes these problems. The device is designed so that a soft bristle brush sweeps across the probe membrane or sensor tip. This sweeping action of the brush provides the required water velocity as well as prevents the membrane from becoming bio-fouled. The optimum sweeping frequency depends upon the design of probe and type of membrane used and water conditions. An ON-time of 0.25 seconds
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CS510 OxyGuard Dissolved Oxygen Probe Optional Repeat Cycle Timer for Agitators: Reciprocating action may be controlled by the optional solid state Repeat Cycle Timer. It sends 12 VDC pulses to the agitator coil. The ON-time is 0.25 sec. The OFF-time is adjustable from 3 to 12 sec.; requires supply voltage 10 to 17 VDC; housed in watertight cylinder 6.6" x 2" diameter (170 mm X 50 mm). 6. Application Information NOTE Short Cut users: This application note was written primarily for those whose
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CS510 OxyGuard Dissolved Oxygen Probe 3) Determine the air temperature and barometric pressure. 4) Using a calibration chart such as that provided in the probe’s manual, determine the oxygen concentration of the air. 5) Use the following equation to calculate the multiplier: M = P/R M = Multiplier P = Concentration in PPM of the air (from the calibration chart) R = The signal output of the OxyGuard probe when using a multiplier of one 6) Change the multiplier in the CR10 program from one to the
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CS510 OxyGuard Dissolved Oxygen Probe The following instructions in program table 2 would trigger the agitator as discussed in the agitator manual: *Table 2 Program 02: 2.0 Execution Interval (seconds) 1: Do (P86) 1: 41 Set Port 1 High ; Use port number as wired 2: Excitation with Delay (P22) 1: 1 Ex Channel 2: 0 Delay W/Ex (units = 0.01 sec) 3: 25 Delay After Ex (units = 0.01 sec) 4: 0 mV Excitation 3: Do (P86) 1: 51 Set Port 1 Low The above example is not as power efficient as possible, and
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